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dc.contributor.authorCOLLE JEAN-YVESen_GB
dc.contributor.authorNAJI MOHAMEDen_GB
dc.contributor.authorSIERIG MARKen_GB
dc.contributor.authorMANARA DARIOen_GB
dc.date.accessioned2017-04-30T00:31:00Z-
dc.date.available2017-04-28en_GB
dc.date.available2017-04-30T00:31:00Z-
dc.date.created2017-04-28en_GB
dc.date.issued2017en_GB
dc.date.submitted2016-05-27en_GB
dc.identifier.citationJOVE-JOURNAL OF VISUALIZED EXPERIMENTS no. 122en_GB
dc.identifier.issn1940-087Xen_GB
dc.identifier.urihttps://www.jove.com/video/54889en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC101094-
dc.description.abstractA novel approach for the Raman measurement of nuclear materials is reported in this paper. It consists of the isolation of the sample in an alpha-radiation and atmosphere-tight capsule, optionally filled to pressure up to 20 bars of a chosen atmosphere. The micro-Raman measurement is done through an optical grade quartz window. This technique prevents the nuclearization of any part of the Raman instrument and allows the use of all Raman spectroscope options like multi-wavelength laser excitation, different polarization, single or triple spectroscope modes. The only limitation is the necessity of using a long focal microscope objective for the measurements. Some examples of measurement are shown and discussed. First some spectral features of a highly radioactive americium oxide sample (AmO2). Another example is the investigation of Raman features of neptunium oxide (NpO2) samples, demonstrating the usefulness of three different excitation wavelengths, the influence of the isotope 17 of oxygen (17O) doping and the use of triple mode configuration to access anti-stokes Raman spectrum, the latter allows us to estimate the temperature. Eventually some data are shown measured on a sample from the Chernobyl lava, where phases are identified by Raman mapping.en_GB
dc.description.sponsorshipJRC.G-Nuclear Safety and Security (Karlsruhe)en_GB
dc.format.mediumVideoen_GB
dc.languageENGen_GB
dc.publisherJOURNAL OF VISUALIZED EXPERIMENTSen_GB
dc.relation.ispartofseriesJRC101094en_GB
dc.titleA novel technique for Raman analysis of highly radioactive samples using any standard micro-Raman spectrometeren_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.3791/54889en_GB
JRC Directorate:Nuclear Safety and Security

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